APA (7th ed.) Citation

Bundgaard-Nielsen, M., & Fiehn, P. (1974). The diffusion of new technology in the U.S. petroleum refining industry. [s.n.].

Chicago Style (17th ed.) Citation

Bundgaard-Nielsen, Mogens, and Peter Fiehn. The Diffusion of New Technology in the U.S. Petroleum Refining Industry. [S.l.]: [s.n.], 1974.

MLA (9th ed.) Citation

Bundgaard-Nielsen, Mogens, and Peter Fiehn. The Diffusion of New Technology in the U.S. Petroleum Refining Industry. [s.n.], 1974.